Arcam A15+: The Ultimate 80W Class AB Integrated Amplifier

The Arcam A15+ is the high-power heart of the Radia+ series, delivering a revolutionary 80 Watts of Class AB muscle to command any loudspeaker. Refined for 2025 with aptX Lossless and Auracast™ technology, it offers the ultimate blend of raw analog authority and cutting-edge wireless convenience. 

Description

Table of Contents

  1. Introduction to the Arcam A15+: Power Redefined
  2. Revolutionary Bluetooth 5.4 and aptX Lossless Support
  3. Key Technical Specifications
  4. The Class AB Advantage: Effortless Speaker Control
  5. Premium Digital-to-Analog Conversion and Phono Stage
  6. Why the Arcam A15+ is the Best Choice for Large Rooms
  7. Frequently Asked Questions (FAQ)

1. Introduction to the Arcam A15+: Power Redefined

The Arcam A15+ is designed for those who demand more from their Hi-Fi system. As the step-up model in the new Radia+ range, it provides the extra “grip” and headroom necessary to fill larger rooms with breathtaking, distortion-free sound. While its smaller sibling, the A5+, is perfect for bookshelf setups, the A15+ is built to drive demanding floorstanding speakers with ease.
Maintaining the award-winning Radia aesthetic, the Arcam A15+ features a precision-engineered aluminum chassis and subtle yellow accents. Beneath the hood, it has been revolutionary updated for 2025, ensuring it remains the most versatile and powerful integrated amplifier in its class.

2. Revolutionary Bluetooth 5.4 and aptX Lossless Support

Wireless audio reaches a new pinnacle with the Arcam A15+. Equipped with Bluetooth 5.4 and Snapdragon Sound, it supports the revolutionary aptX Lossless codec. This technology allows you to stream CD-quality, bit-perfect audio directly from your smartphone, eliminating the compression usually found in wireless audio.
Furthermore, the Arcam A15+ features Auracast™ broadcasting. This allows you to wirelessly share your music with multiple compatible headphones or speakers simultaneously. Whether you are hosting a party or engaging in late-night private listening, the A15+ provides a seamless, high-definition wireless ecosystem.

3. Key Technical Specifications

The Arcam A15+ is built with reference-grade internal components:
Feature Specification
Amplifier Type Class AB (High-Current)
Power Output (8Ω) 80 Watts per channel
Power Output (4Ω) 120 Watts per channel
DAC Chipset ESS ES9018 Sabre DAC
Bluetooth Ver 5.4 (aptX Lossless, Auracast, LE Audio)
Inputs USB-C, 3x RCA Analog, MM Phono, 2x Digital

4. The Class AB Advantage: Effortless Speaker Control

At the heart of the Arcam A15+ is a powerful Class AB output stage. By providing 80 Watts of high-current energy, the amplifier maintains absolute control over speaker drivers, resulting in tight, fast bass and a wide, holographic soundstage.
The Arcam A15+ avoids the clinical or “dry” sound of budget digital amps. Instead, it offers a warm, rhythmic, and natural presentation that makes long listening sessions a joy. It doesn’t just play the notes; it captures the emotion and texture of the original performance.

5. Premium Digital-to-Analog Conversion and Phono Stage

Digital sources are treated with the utmost respect in the Arcam A15+. The integrated ESS ES9018 Sabre DAC ensures that your TV, CD player, or streamer is decoded with surgical precision. For the first time in this model, a USB-C input is included, allowing for a direct high-res connection to your PC or Mac.
Analog purists will appreciate the high-precision Moving Magnet (MM) phono stage. Specifically designed to match the RIAA curve with extreme accuracy, it ensures that your vinyl collection sounds lush, detailed, and free from background hum.

6. Why the Arcam A15+ is the Best Choice for Large Rooms

The Arcam A15+ is the ultimate “everything” amplifier for the modern audiophile
  • Dynamic Headroom: 80W of power ensures orchestral peaks never sound compressed.
  • Snapdragon Sound: The first truly lossless wireless experience in an integrated amp.
  • Dual-Way Bluetooth: Stream to the amp, or broadcast to your wireless headphones.
  • Radia+ Aesthetics: A stunning, minimalist design that fits any modern interior.
For official setup guides and firmware updates, visit the Arcam Support Portal.

7. Frequently Asked Questions (FAQ)

Is the Arcam A15+ powerful enough for 4-Ohm speakers?
Yes. The Arcam A15+ is a high-current design that delivers 120 Watts into 4-Ohm loads, making it exceptionally stable with difficult-to-drive loudspeakers.

What is the benefit of Auracast on the Arcam A15+?
Auracast™ allows the Arcam A15+ to broadcast audio to an unlimited number of nearby Bluetooth receivers (like headphones or speakers) simultaneously, creating a flexible multi-room or shared listening experience.

Can I connect my computer directly to the Arcam A15+?
Absolutely. The Arcam A15+ includes a USB-C digital input, allowing your computer to use the amplifier’s premium internal DAC for superior sound quality compared to a standard headphone jack.

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